Cavan murder-suicide: Gardaí starting from scratch to find answers

What happened and why? That is the task facing the Garda investigation into the Cavan murder-suicide.

The ‘what happened’ of the crime will become clearer through technical examinations in the coming days and weeks.

But the ‘why’ could be more difficult, although the discovery yesterday of an envelope, apparently left by Alan Hawe, could well give valuable insight into why he did the unthinkable.